Septic suitability in Humboldt County, IA

Very limited

Humboldt County, IA's SSURGO dominant class comes back "Very limited", covering 94.4% of the county. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 94.4% of Humboldt County's land. The county spans 434.372 square miles, home to 9,617 people.

What this number does and doesn't tell you

Nothing about Humboldt County, IA's SSURGO figure applies to a specific address - it's a county-wide average. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Humboldt County: conventional vs. engineered cost

94.4% of Humboldt County carrying a "Very limited" reading changes the realistic budget here. Conventional systems run $3,000-$8,000 where they pass; where they don't, engineered alternatives (mound or aerobic treatment, whichever the health department requires) run $10,000-$40,000 - budget toward the higher figure until a perc test says otherwise.

How Humboldt County, IA compares

Among the 3,058 rated counties on this site, Humboldt County, IA ranks 735 most-constrained nationally, and 52 of 99 within Iowa.

Further reading

How this rating is built, and its real limits · Conventional vs. engineered septic systems